This gets at the underlying truth. Once you have been successful in one situation, it becomes far easier to extend that success into other closely related areas

This gets at the underlying truth. Once you have been successful in one situation, it becomes far easier to extend that success into other closely related areas. Linus is a celebrity in the open source world, switching his project to git effectively forced much of the core infrastructure maintainers/developers to learn/use the tool. Its the equivalent of putting a bluray drive in the playstation.